The Science of Exposure

Welcome to the Revamped Exposure Science Website
This website is dedicated to the dissemination of research findings on the science of exposure. We are just getting started with new content. In the near future, we will feature articles, as well as open-source data and tools, so anyone can start to measure, explore, and understand the exposures they experience on a daily basis.

We are broadening the definition of exposure to study how health and well being can be improved for people by changing aspects of their physical-chemical or social environment.  "Toxic Exposure" can occur when a person is exposed to anything that can harm their health or well being, whether it is a hazardous chemical or a dysfunctional relationship.

Exposure can be generally defined to be any sort of contact or influence that occurs between observable physical systems, whether they be biological, physiological, chemical, or social or behavioral in nature.

If phenomena are able to be observed using human senses or using machine-based sensors, then we can talk about how one system of phenomena can be "exposed" to another system of phenomena,and vice versa. Systems can be defined at any relevant scale.

When a system is "exposed", it experiences a change, whether that change may be a physical deformation, energy flux, a chemical reaction, an infection, or a behavioral response (e.g., smoking, drinking, eating).   We can talk about exposure occurring at any scale of physical observation, from the tiniest atoms or molecules up to individuals, families, societies, and cultures.

About Us


This website was established by Dr. Neil Klepeis, a long-time researcher in Exposure Science with specialties in human activity pattern analysis and exposure to secondhand smoke.

Dr. Klepeis is currently working on research and development related to adaptive behavioral interventions.    He is exploring a range of technologies, including sensors and smart devices, that can be used to monitor environments and behavior.   By providing real-time feedback, interventions can move people towards their goals for environmental and behavioral health.

Follow the links to the left to learn more about Dr. Klepeis' work.